Home / 28,010.24-42,012.80-16,316.16

Finding the Fourth Proportional to 28,010.24, 42,012.80 and 16,316.16

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Solution

The fourth proportional to 28,010.24, 42,012.80 and 16,316.16 is: 24,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.24 : 42,012.80 = 16,316.16 : x
  2. Step 2: Convert to fraction form
    28,010.24/42,012.80 = 16,316.16/x
  3. Step 3: Cross multiply
    28,010.24x = 42,012.80 × 16,316.16
  4. Step 4: Simplify right side
    28,010.24x = 685,487,566.85
  5. Step 5: Solve for x
    x = 685,487,566.85/28,010.24
  6. Step 6: Final answer
    x = 24,472.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.